From Cppreference
| Defined in header <cmath>
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| #define HUGE_VALL /*implementation defined*/
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The HUGE_VALL macro expands to a positive long double constant expression. It indicates that the value is not representable by the long double type (infinity). The constant is not necessarily representable as a float or double.
See also
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| indicates value too big to be representable (infinity) by double (macro constant)
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| indicates value too big to be representable (infinity) by float (macro constant)
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